Tech Lead for Product Engineering

Wintermute Trading is a leading force in algorithmic trading for digital assets, providing liquidity across major cryptocurrency exchanges and platforms. The company works with both established blockchain projects and traditional financial institutions entering the crypto space. In addition to trading, Wintermute supports the broader blockchain ecosystem thr…

Job Overview: Lead Product Developer (Tech Lead)Location: London (Hybrid - 3 days in-office)Reporting to: Delivery Lead / Client Services DirectorAbout Us:At AND Digital, we are a forward-thinking technology company committed to accelerating digital delivery and bridging the digital skills gap. Since our inception in 2014, we have been instrumental in enabling organizations to create superior digital products and cultivate robust digital teams.We believe in making a significant impact for our clients through our unique regional offices, known as 'Clubs', which foster strong partnerships and prioritize client needs with dedicated local teams.This innovative approach has propelled our success, reflected in our impressive organic growth since 2014. With over 1,300 talented individuals across Clubs in the UK, Europe, and the USA, we are on a mission to expand globally in the coming years.Join us in our vision to close the global digital skills gap!The RoleWe are in search of a Lead Product Developer to spearhead a significant project for one of our key clients, a global leader in the media and entertainment sector. In this position, you will not only oversee project delivery but also serve as the technical cornerstone of a vital platform that delivers advertising solutions and audience insights globally. This opportunity is ideal for a proactive technical expert who thrives in scaling sophisticated cloud-native architectures while nurturing a high-performance culture across dispersed teams.Key Responsibilities1. Technical Excellence & ExecutionHands-on Engineering: Lead by example as you continue to engage in hands-on development, writing high-quality code in Java and React, while ensuring the platform maintains scalability, security, and performance.Architectural Stewardship: Collaborate with Technical Architects to ensure the sustainability of our AWS-based ecosystem, balancing rapid delivery with technical integrity.Engineering Culture: Establish the benchmark for engineering practices, from robust CI/CD pipelines to thorough code reviews, fostering technical pride within the team.2. Team Leadership & EnablementDistributed Team Growth: Act as a liaison between our London stakeholders and Nearshore development teams, creating a cohesive “one-team” atmosphere that guarantees high code quality and consistency across regions.Mentorship: Encourage the development of ANDis and client developers, promoting a culture of high achievement through coaching and collaborative reviews.3. Stakeholder ManagementCollaborative Influence: Navigate a complex landscape of stakeholders...

Role overview Speechify is seeking a Tech Lead to join the Android Core Product team in London. This position involves leading a team of engineers and shaping the direction of core Android features. The work done by this group plays a key role in the evolution of Speechify’s product. What you will do Oversee the development of new features and ongoing improvements for Speechify’s Android app Mentor engineers and support their technical growth Maintain high coding standards and encourage best practices throughout the team Foster collaboration and creative problem-solving within the group Requirements Deep experience with Android development Background in leading or mentoring engineering teams Ability to set technical direction and maintain quality standards Interest in building products that make a difference, working closely with others Location This role is based in London, United Kingdom.

We are seeking a highly skilled Lead Product Reliability Engineer to join our innovative team at fyxer in London. In this critical role, you will be responsible for enhancing the reliability and performance of our products, ensuring that we meet our high standards and customer expectations.Your expertise will help us develop robust solutions that can withstand the demands of our users, while also fostering a culture of excellence within our engineering team.

Discover Tilt At Tilt, our mission is clear: Make Commerce Alive.We are transforming the outdated landscape of commerce, moving beyond static online stores and faceless marketplaces. Our focus is on fostering engaging, personalized experiences that resonate with the new generation of merchants who thrive on community, attention, and personality.In the UK, we are proud to have welcomed millions of shoppers, including sneaker enthusiasts, Y2K fashionistas, collectors, and savvy parents. Tilt empowers sellers to achieve remarkable milestones, with many reaching over £1M+ in earnings and numerous others surpassing the median income.The journey is just beginning!Your Role As one of the pioneering product leads at Tilt, you will take charge of multiple products, overseeing the entire roadmap and execution process. Your responsibilities will encompass research, planning, development, launch, marketing, analysis, and beyond. Think of yourself as a mini-CEO, leading a cross-functional team to deliver products with outstanding impact.Key Responsibilities Oversee the product lifecycle from ideation through to growth and maintenanceDevelop roadmaps, objectives, and success metrics that align with Tilt's core missionLeverage SQL and proprietary data tools to analyze and guide product developmentEngage in technical and design discussions to refine approaches and requirementsLead your diverse team of engineers, designers, analysts, and more directlyQualifications We are seeking an ambitious, inquisitive, and collaborative problem-solver eager to shape the future of shopping. Additionally, you should possess:10+ years of product management experience with a proven record of delivering scalable, impactful mobile products from inception3+ years of experience in high-growth tech environments, startups, or sectors such as mobile gaming, eCommerce, travel, or fintechExceptional analytical skills, utilizing data and market insights to guide decisions and enhance performanceA strong grasp of UX/UI design principles coupled with an eye for outstanding product experiencesExcellent communication skills, both written and verbal, to align stakeholders and propel product vision

About iwocaAt iwoca, we recognize that small businesses need to stay agile in a fast-paced environment where opportunities can arise unexpectedly. Cash flow challenges can emerge overnight, and that's why we provide financing solutions that are as flexible and responsive as our clients.Our innovative technology, combined with our data-driven approach and exceptional customer service, empowers business owners to make informed decisions with speed and confidence. We have successfully facilitated over £4 billion in funding for over 100,000 businesses, and we are committed to supporting even more SMEs in their critical moments.Our mission is to assist one million SMEs in achieving their goals, creating a lasting impact on local communities and economies.The Credit Risk TeamOur Credit Risk team is responsible for the development and maintenance of the technology and models that drive our lending decisions. This includes credit scoring, scorecard development, and portfolio monitoring, all aimed at maximizing lending volume while managing risk effectively.With nine data scientists, four engineers, and two strategy analysts, our team collaborates to analyze historical data, build robust models, and translate insights into actionable lending decisions.Your Role as Tech LeadAs the Tech Lead, you will oversee the engineering systems that support Credit Risk modeling at iwoca. Your focus will be on enhancing the platform, pipelines, and production systems rather than directly building models. This role combines hands-on technical leadership with line management and individual contribution.Responsibilities:Guide a team of four engineers in delivering high-quality solutions for the modeling platform and its associated systems.Elevate engineering standards across modeling systems with an emphasis on reliability, observability, and safe changes.Define the technical direction by comprehending interconnected systems and workflows to prioritize the right challenges.Individual ContributionMaintain an active role in the codebase, particularly during periods of ambiguity or complex problem-solving.

We are seeking a dynamic and experienced Engineering Lead to join our innovative team at dev2. In this pivotal role, you will spearhead engineering projects, mentor a talented group of engineers, and collaborate with cross-functional teams to drive the success of our cutting-edge solutions.The ideal candidate will possess a proven track record in engineering leadership, demonstrating both technical expertise and a passion for fostering a collaborative team environment. You will play a crucial role in shaping our engineering practices and ensuring the delivery of high-quality products.

Join the Kroo TeamAt Kroo Bank, we are on a mission to redefine banking by creating a customer-centric financial institution that emphasizes responsible money management and leverages cutting-edge technology to simplify and enhance everyday banking experiences. As a fully regulated bank in the UK, we are supported by dedicated long-term investors and are rapidly expanding our customer base as we pursue ambitious goals. We prioritize speed, thoughtful decision-making, and high standards in product development, risk management, and employee welfare.Your Role and Responsibilities:As the Mobile Platform Tech Lead, you will be pivotal in fortifying the technical framework of our mobile banking application, ensuring it is secure, high-performing, reliable, and scalable to meet evolving customer and product demands. You will lead a dedicated mobile platform team and collaborate closely with engineering, product, design, and compliance teams to uphold exceptional technical standards within our React Native ecosystem and its associated native integrations. Your key responsibilities will include:Mentoring the mobile platform team, offering technical guidance, coaching, and effective prioritization of platform initiatives.Establishing, executing, and maintaining engineering standards focused on mobile security, observability, performance, resilience, and release quality.Being a hands-on technical leader in developing and maintaining shared mobile platform capabilities using React Native and TypeScript.Collaborating on architectural decisions regarding React Native, native modules, and integrations across Kotlin, Swift, Objective C, and Java.Working alongside product feature teams to ensure smooth release processes that meet quality benchmarks and comply with regulatory requirements.Enhancing automated testing practices, including unit, integration, and end-to-end testing to bolster confidence in release quality.Improving mobile engineering workflows through enhancements to continuous integration, continuous delivery, and deployment processes.Overseeing production incident management and release activities, ensuring timely resolutions and effective communication.Collaborating with design and product teams to refine and maintain shared UI components, platform standards, and mobile design system capabilities.Implementing and continuously improving mobile observability tools, analytics, logging, and exception monitoring to support stability and informed decision-making.Championing secure application development practices and facilitating compliance within a regulated banking environment.Identifying and pursuing opportunities to enhance platform stability, developer productivity, and the long-term maintainability of the mobile application.

Join Horizontal Digital as a Senior Tech Lead in London, where you will play a pivotal role in shaping technology strategies and leading a team of talented engineers. You will collaborate with cross-functional teams to design and implement innovative solutions, ensuring the delivery of high-quality projects that meet client needs.

About the Role At SumUp, our mission is to bridge the gap between merchants and consumers, empowering local communities to flourish. With SumUp Pay, we are innovating a banking experience that connects individuals to the small businesses they adore while facilitating free transactions for our merchants. SumUp Pay simplifies financial management for consumers, enhances everyday spending, and fortifies the bond between them and local merchants, delivering value and fostering growth for community businesses. This pivotal role offers the chance to influence our global strategy at a rapid pace, tackling diverse topics and opportunities. Your strategic acumen, creative problem-solving, and relentless drive will be essential as you lead initiatives within the Consumer Tribe, dedicated to expanding SumUp Pay and enhancing the consumer-merchant relationship while collaborating across the organization.

Role overview Speechify seeks a Tech Lead to direct the Web Core Product and Chrome Extension team in London. This role centers on guiding developers as they build and refine web solutions, all with the goal of improving the user experience. What you will do Lead the design, development, and release of web features for both Speechify’s core product and Chrome extension Supervise a team of developers, offering technical guidance and support Establish and uphold strong standards for product performance and quality Define and communicate the technical direction for web and extension projects Location This position is based in London, United Kingdom.

Join Pylon Labs and Shape the Future of B2B Post-Sales!At Pylon Labs, we are revolutionizing B2B post-sales support with our comprehensive platform that harnesses conversational data and advanced intelligence to empower our clients to manage their operations in real time.Supported by renowned investors like a16z, BCV, General Catalyst, and Y Combinator, we proudly serve over 1000 companies, including Linear, Cognition (creators of Devin), Modal Labs, and Incident.io. We are also featured on the Enterprise Tech 30 List.Your RoleThis position starts as an individual contributor role, with growth opportunities into a team lead or management position as we expand in the EMEA region. You will act as the primary support contact for our European clients — managing issues from start to finish, becoming a product authority, and establishing best practices for exceptional support in this area.Location: Initially remote for a few months, transitioning to in-office at our East London office upon its opening. We seek candidates who are based in or willing to relocate to London.Your ResponsibilitiesAddress customer inquiries regarding our products across various topics.Create and revise knowledge base articles, including troubleshooting guides and feature explanations.Utilize Pylon's support tools, provide feedback, and help shape product development.Collaborate closely with product and engineering teams to resolve bugs and troubleshoot customer issues.Assist in building a scalable support team and processes for the EMEA region.Experiment with new features, processes, and innovative AI solutions.QualificationsMust be located in London or willing to relocate, enthusiastic about working in the East London office once it opens — remote work for the initial months as we set up, with an office opening anticipated in September 2026.1 month on-site training in our San Francisco office.Skilled in engaging with customers through chat and video platforms.A passion for product development and improvement.1 to 8 years of relevant experience.Leadership experience is a plus.

Role Overview Capimoney is looking for a Tech Lead in London to guide technical direction and support a team of developers. This role focuses on building scalable solutions and maintaining strong quality and performance standards within the technology stack. Key Responsibilities Lead and mentor a team of developers on project delivery Design and architect scalable technology solutions Work with cross-functional teams to develop products that meet client needs Uphold high standards for code quality and system performance What You'll Bring Experience in software development and technical leadership Ability to collaborate across teams and communicate clearly Strong problem-solving skills and attention to detail Location This position is based in London.

At Pipedrive, we recognize that exceptional talent is the cornerstone of creating outstanding products. Our team embodies our core values, which guide our hiring decisions. Since our inception in 2010, we have been dedicated to empowering sales and marketing teams with intuitive, robust tools that streamline daily operations. Today, our cloud-based platform is trusted by over 100,000 organizations across 179 countries. We have evolved from a small team of five to a diverse global workforce of over 850 professionals, representing more than 50 nationalities, with offices strategically placed throughout Europe and the United States. In 2020, Pipedrive became the fifth unicorn from Estonia after receiving a majority investment from Vista Equity Partners, a prominent global investment firm focused on enterprise software, data, and technology-enabled businesses.We are on the lookout for a Lead Security Engineer to spearhead our security initiatives and integrate secure-by-design principles into all our platforms and products. This role combines architectural vision with hands-on engineering, prioritizing the development of scalable tools for automated threat detection and incident response. In this position, you will also provide essential technical mentorship, guiding junior and mid-level security engineers through comprehensive code reviews, leading project-based workstreams, and coaching engineering teams on secure development practices, all while enhancing our overall security posture. If this opportunity resonates with you, we are eager to connect!

Join hyperexponential as a Lead Software EngineerAt hyperexponential, we are at the forefront of innovation, creating a groundbreaking AI-powered platform that transforms decision-making in the $7 trillion insurance industry. Our technology influences vital outcomes, from the successful launch of rockets into space to the efficient deployment of autonomous vehicles and the swift recovery of communities after disasters.For too long, insurers have relied on outdated tools to make multi-billion dollar decisions. We are revolutionizing this landscape. Our platform seamlessly integrates data, AI, and expertise, providing insurers with a rapid pathway from submission to decision, empowering them to act with agility, intelligence, and confidence.With backing from esteemed investors like a16z, Highland Europe, and Battery Ventures, we are expanding our global footprint and have earned the trust of nearly 50 of the world’s largest insurers, boasting zero churn and billions in premiums flowing through our platform.What began as a singular product in one market has swiftly evolved into a comprehensive, multi-product platform that supports every aspect of pricing and underwriting. AI is embedded in our core operations, from developing the world’s first domain-specific AI peer programmer for insurance to innovating workflows that redefine industry standards.At hyperexponential, our strength lies in our people. Here, your impact is not determined by your title or tenure, but by the challenges you embrace and the discipline you exemplify. Surrounded by a team that pushes boundaries, you will engage in the most meaningful work of your career in an environment built to thrive.If this resonates with you, we invite you to join us in shaping the future.About the hxAI TeamAt hx, AI is not an accessory; it is integral to our mission. We are transforming the insurance software landscape through generative AI. Our team merges advanced LLM technology with deep industry knowledge to tackle challenges that others overlook.Currently, we are focused on two flagship products: a powerful ingestion engine that converts unstructured insurance documents into actionable insights, and our flagship offering, an AI peer-programmer embedded in a custom IDE, revolutionizing how actuaries and underwriters model risk and make critical financial decisions.This is applied AI that delivers tangible results. As a Lead Software Engineer, you will be part of an agile, high-ownership team that drives innovation and directly influences how AI reshapes the industry.

At Synthesia, we are redefining the future of communication through our leading AI video platform, embraced by over 90% of Fortune 100 companies. Established in 2017 and headquartered in London, our presence spans across Europe and the United States, with a diverse team dedicated to innovation.As the AI landscape evolves, we are committed to enhancing visual communication and fostering enterprise skill development, ensuring that individuals are empowered to excel and remain integral to the success of their organizations.After a successful Series E funding round that secured $200 million, our valuation has reached $4 billion, with total funding exceeding $530 million from esteemed investors like Accel, NVentures (Nvidia's venture capital), Kleiner Perkins, GV, and Evantic Capital, as well as founders and executives from Stripe, Datadog, Miro, and Webflow.About the RoleYou will take on an end-to-end role, contributing to our client application built in React and our robust monolithic backend developed in Python, while ensuring secure feature releases to our customer base.You will own long-term projects that require breaking down complex challenges into manageable, iterative steps for delivery and validation.Collaboration with the product manager will be key, allowing you to ideate solutions focused on commercial problems and shape product direction.Your work will be evaluated through established data pipelines and frameworks to assess the impact of your features on our business objectives, enabling you to pivot as needed.You will also be tasked with considering the team's long-term direction, ensuring we build the engineering capabilities necessary to tackle future challenges over the next 6-12 months. What We're Looking For:A minimum of seven (7) years of experience in software engineering, with at least 3 years in a senior or lead role.Experience in a high-performing engineering team, whether in a scale-up environment or an established organization recognized for its outstanding engineering culture.Strong capability across the tech stack, with in-depth knowledge of server-side development and backend technologies. Backend-focused experience is acceptable if you're willing to assist on the frontend occasionally.Proficiency in relevant engineering practices and tools that enhance productivity and performance.

Tech Lead - Decision TechnologyHybrid position located in London / Remote within the UKJoin Our Team as a Tech LeadAt iwoca, you will spearhead the advancement of our technology and infrastructure, which underpins our credit decision-making and model training processes. This includes innovating feature generation and model evaluation systems. Your role will involve enhancing critical systems, shaping iwoca’s technical vision, and collaborating with cross-functional teams to deliver cutting-edge, data-driven solutions.About iwocaSmall businesses operate in dynamic environments where opportunities can arise unexpectedly, and cash flow challenges can emerge at any moment. To thrive and expand, SMEs require finance that is both flexible and responsive.This is why iwoca was established. Our advanced technology, data-driven insights, and exceptional customer service empower business owners to act swiftly with confidence and control, precisely when it matters most.We have already facilitated over 100,000 businesses with more than £4 billion in funding. Our dedicated team is passionate about enabling more SMEs to succeed by providing access to better finance and services that simplify business operations. Our ultimate goal is to support one million SMEs in their pivotal moments, creating a lasting impact on the communities and economies they enhance.The TeamThe LoL-Tech team is dedicated to developing and maintaining the technology that trains, deploys, and executes iwoca’s credit decisioning models. This team collaborates closely with analysts (the League of Lending, or LoL) who develop credit models and systems to assess our lending processes, ensuring iwoca continues to push the boundaries of analytical capabilities.Your RoleAs the Tech Lead, you will guide a technical team responsible for delivering essential infrastructure for model development and live credit decisioning. This includes fetching external data, developing and maintaining a feature service for model feature computation, and creating a robust platform for model evaluation and training. You will lead a team of developers and work closely with data scientists to build and realize a unified vision for the future of the team.

Ramp Network connects traditional finance with the crypto economy through its fiat-to-crypto toolkit. The team supports brands and blockchain innovators in onboarding users into Web3. Since its founding, Ramp has focused on high performance, open-mindedness, and collaboration, building a strong track record and a growing global presence. Role overview This Lead Product Manager position comes as Ramp Network surpasses $1B in transaction volume and introduces new consumer products. The role offers full ownership of these products, with a focus on delivering high-quality solutions. The position is based in London or can be remote within Poland. What you will do Lead a cross-functional team to discover, define, and deliver major improvements to user flows that increase conversion rates. Identify and resolve friction points in the customer journey. Champion high standards for user experience and promote these standards throughout the organization. Set and track key performance indicators (KPIs) to support data-driven decisions. What makes Ramp Network unique Over 8 years of experience in the industry Consistent month-over-month ecosystem growth Purpose-driven, collaborative culture

Join Wise as a Lead Product Analyst and be at the forefront of our mission to make money transfers faster and more affordable. In this role, you will leverage your analytical skills to drive product insights, influence decision-making, and enhance the user experience. You will collaborate with cross-functional teams to identify opportunities and solve complex problems.

At Perplexity, we are transforming the way individuals discover and engage with information through cutting-edge AI-powered search and knowledge tools. As we broaden our global reach, we are excited to establish a significant presence in London, a key hub for innovation and growth across Europe.The Role:We are in search of an outstanding Site Lead to launch and expand our London office. This is a remarkable opportunity to define Perplexity's footprint in one of the world's foremost technology centers, where you will cultivate teams and a vibrant culture from the ground up, all while propelling technical brilliance in infrastructure and AI systems.As the Site Lead, you will be the representative of Perplexity in London, tasked with constructing our technical organization, nurturing a premier engineering culture, and directly overseeing one or more infrastructure teams. Your role will involve reporting to senior leadership and collaborating across various teams within our global network.